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no set extcommunity rt
•
value — Specifies the route target extended community value. This value
can be entered in one of the following formats:
–
16-bit AS number :your 32-bit value (Ex : 100 :11)
–
32-bit IPv4 address :your 16-bit value (Ex : 10.1.1.1 :22
•
additive–Adds a route target to the existing route target list without
replacing any existing route targets.
Default Configuration
No RT extended community attributes are set.
Command Mode
Route Map Configuration mode
User Guidelines
The route target (RT) extended community attribute is configured with the
rt keyword. This attribute is used to identify VRFs that may receive routes
that are tagged with the configured route target. Configuring the route target
extended attribute with a route allows that route to be placed in the per-site
forwarding tables that are used for routing traffic that is received from
corresponding sites. Only one route target can be specified in a single set
extcommunity rt command. To specify more than one route target, issue the
command again with the additive keyword.
By default, specifying route targets causes the system to replace existing route
targets with the new route targets, unless the additive keyword is used. The
use of the additive keyword causes the system to add the new route targets to
the existing route target list, but does not replace any existing route targets.
Command History
Introduced in version 6.3.0.1 firmware.
Example
The following example shows how to set the extended community attribute
for route target with route-maps.
(R1)(Config)# ip extcommunity-list 10 permit rt 1:1
Layer 3 Routing Commands
1315
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